public void TestCreateEntity_CreateEntityDeleteItAndRecreateAgain_NewCreatedEntityHasNoComponents()
{
// Test to fix issue #18 https://github.com/bnoazx005/TinyECS/issues/18
EntityId entityId = mWorldContext.CreateEntity();
IEntity entity = mWorldContext.GetEntityById(entityId);
Assert.IsNotNull(entity);
entity.AddComponent <TTestComponent>();
entity.AddComponent <TAnotherComponent>();
Assert.IsTrue(mWorldContext.DestroyEntity(entityId));
// recreate entity
entityId = mWorldContext.CreateEntity();
entity = mWorldContext.GetEntityById(entityId);
// recreated entity should be empty
Assert.IsNotNull(entity);
Assert.IsTrue(!entity.HasComponent <TTestComponent>() && !entity.HasComponent <TAnotherComponent>());
}
/// <summary>
/// The system is an update one that destroys all disposable entities at an end of a frame
/// </summary>
/// <param name="worldContext"></param>
/// <param name="dt"></param>
public static void DisposableEntitiesCollectorSystem(IWorldContext worldContext, float dt)
{
var disposableEntities = worldContext.GetEntitiesWithAll(typeof(TDisposableComponent));
for (int i = 0; i < disposableEntities.Count; ++i)
{
IEntity currEntity = worldContext.GetEntityById(disposableEntities[i]);
if (currEntity.HasComponent <TEntityLifetimeComponent>())
{
TEntityLifetimeComponent lifetimeData = currEntity.GetComponent <TEntityLifetimeComponent>();
currEntity.AddComponent(new TEntityLifetimeComponent {
mCounter = lifetimeData.mCounter - 1
});
if (lifetimeData.mCounter > 0)
{
continue;
}
}
worldContext.DestroyEntity(disposableEntities[i]);
}
}